Water Cycle Experiment Worksheet

Science experiments lesson 9: Water cycle in a bowl · Set 725 · 40 questions

What you do (Up as vapour, down as drops): 1. Pour some water into the big bowl and stand the small cup in the middle. 2. Cover the bowl tightly with cling film. 3. Put a few ice cubes on top of the film, over the cup. 4. Leave it in the sun for an hour and look for drops in the cup.

1. 1.⚖️ Fair test — does a bowl in the sun make more drops than a bowl in the shade? Which of these is kept the same? (a) how many drops form (b) sun or shade (c) the cling film cover
2. 2.🔍 Which is the odd one out? (a) ice becoming water (b) butter going runny (c) water becoming ice (d) snow turning to water
3. 3.🧺 Which of these is not needed for the water cycle bowl? (a) a balloon (b) water (c) cling film (d) a big bowl
4. 4.⚖️ Fair test — does a bowl in the sun make more drops than a bowl in the shade? What do we do with “the amount of water”? (a) we measure it (b) we change it (c) we keep it the same
5. 5.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) a small cup (b) water (c) a magnet (d) cling film
6. 6.💧 Which of these is condensation? (a) a misty bathroom mirror (b) water becoming ice (c) wet hair drying (d) snow turning to water
7. 7.🔍 Which is the odd one out? (a) water becoming ice (b) wet hair drying (c) making ice lollies (d) a pond icing over
8. 8.🌧️ The drops falling back into the bowl are like which part of the real water cycle? (a) wind (b) rain (c) lightning (d) sunshine
9. 9.🧺 Which of these is needed for the water cycle bowl? (a) a mirror (b) a balloon (c) a magnet (d) sunlight
10. 10.🧺 Do we need ice cubes for the water cycle bowl? (a) not needed (b) needed
11. 11.🔮 Predict: wet clothes are hung out on a sunny, windy day. How do they dry? (a) they never dry (b) faster (c) they turn to ice (d) slower
12. 12.💧 Which change is this: wet hair drying? (a) freezing (b) condensation (c) melting (d) evaporation
13. 13.True or false: a mirror is not needed for the water cycle bowl. (a) False (b) True
14. 14.💧 Which of these is melting? (a) wet hair drying (b) drops on a cold glass (c) a puddle drying up (d) butter going runny
15. 15.⚖️ Fair test — does a bowl in the sun make more drops than a bowl in the shade? What do we do with “the cling film cover”? (a) we keep it the same (b) we change it (c) we measure it
16. 16.🔍 Which is the odd one out? (a) sweat drying on skin (b) wet clothes drying (c) wet hair drying (d) ice becoming water
17. 17.🛟 Why should only a grown-up handle any hot water? (a) hot water is heavy (b) it changes colour (c) hot water can scald (d) hot water is magnetic
18. 18.⚖️ Fair test — does a bowl in the sun make more drops than a bowl in the shade? Which of these is kept the same? (a) the amount of water (b) how many drops form (c) sun or shade
19. 19.💧 In the covered bowl, where does the water vapour come from? (a) the air outside (b) the cling film (c) water warmed by the Sun (d) the bowl itself
20. 20.💧 Which of these is freezing? (a) a pond icing over (b) a misty bathroom mirror (c) drops under a pot lid (d) butter going runny
21. 21.💧 Which change is this: making ice lollies? (a) freezing (b) condensation (c) evaporation (d) melting
22. 22.🛟 What should you do with wet floors after the experiment? (a) wipe them dry (b) leave them wet (c) slide on them (d) pour more water
23. 23.True or false: a balloon is needed for the water cycle bowl. (a) True (b) False
24. 24.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) a big bowl (b) cling film (c) yeast (d) water
25. 25.🧺 Which of these is not needed for the water cycle bowl? (a) water (b) sunlight (c) a big bowl (d) a mirror
26. 26.⚖️ Fair test — does a bowl in the sun make more drops than a bowl in the shade? Which of these is what we measure? (a) the cling film cover (b) the amount of water (c) how many drops form (d) sun or shade
27. 27.🧺 Do we need a battery cell for the water cycle bowl? (a) not needed (b) needed
28. 28.🔍 Which is the odd one out? (a) sweat drying on skin (b) wet clothes drying (c) drops under a pot lid (d) wet hair drying
29. 29.💧 Which change is this: drops under a pot lid? (a) evaporation (b) freezing (c) condensation (d) melting
30. 30.🧺 Which of these is not needed for the water cycle bowl? (a) ice cubes (b) a big bowl (c) cling film (d) a magnet
31. 31.⚖️ Fair test — does a bowl in the sun make more drops than a bowl in the shade? What do we do with “the size of the bowl”? (a) we keep it the same (b) we change it (c) we measure it
32. 32.💧 Which change is this: ice becoming water? (a) freezing (b) condensation (c) evaporation (d) melting
33. 33.True or false: a big bowl is not needed for the water cycle bowl. (a) True (b) False
34. 34.⚖️ Fair test — does a bowl in the sun make more drops than a bowl in the shade? What do we do with “how many drops form”? (a) we measure it (b) we keep it the same (c) we change it
35. 35.⚖️ Fair test — does a bowl in the sun make more drops than a bowl in the shade? True or false: the time we wait is the one thing we change. (a) True (b) False
36. 36.💧 Why do water drops form on the outside of a glass of ice water? (a) the glass leaks (b) the glass sweats (c) vapour in air cools (d) ice escapes the glass
37. 37.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) a big bowl (b) ice cubes (c) a battery cell (d) a small cup
38. 38.🔍 Which is the odd one out? (a) butter going runny (b) ice becoming water (c) making ice lollies (d) snow turning to water
39. 39.⚖️ Fair test — does a bowl in the sun make more drops than a bowl in the shade? True or false: the amount of water is what we measure. (a) False (b) True
40. 40.True or false: wet hair drying is evaporation. (a) False (b) True

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